@misc{indiciae40a9b92c0a2f, title = {17 beta-estradiol/levonorgestrel transdermal system.}, author = {Toni M Dando and Caroline M Perry}, year = {2004}, doi = {10.2165/00024677-200403050-00005}, url = {https://pubmed.ncbi.nlm.nih.gov/15330679/}, note = {Source identifier: 15330679} }